Figure 1.

Schematic diagram of T cell dynamics in normal mice. The width of the arrows denotes the rate of death and division or of transit from one pool to another. Naïve T cells are T cells that have matured and left the thymus where they are generated, but have not yet encountered antigen. RTEs, recent thymic emigrants; Ag, antigen.

Vrisekoop et al. Journal of Biology 2009 8:91   doi:10.1186/jbiol198
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